Chemistry

Edith Mckee

8 September, 18:01

What did rutherford discover that thomson did not understand?

A) that an atom's electrons took up as much space as its nucleus.

B) that electrons were much smaller than alpha particles

C) that atoms were too small to affect alpha particles

D) that most of an atom's mass was packed in a central nucleus

correct answer ... D) that most of an atom's mass was packed in a central nucleus